Mastery M5 Bridge for Rickenbacker GuitarsThe Mastery M5 Bridge is a precision engineered upgrade for Rickenbacker guitars, designed to enhance tuning stability, sustain, and playability. It features Mastery's patented saddle design for superior string intonation and response, along with a solid stainless steel construction for lasting performance. The M5 includes four stainless mounting posts that anchor into the body plate via two cone point screws at each end, ensuring a secure and rigid